*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
.container{
    width: 80%;
    margin: auto;
}
.head{
    background-color: #dddddd;
    text-align: center;
    height: 220px;
}
.head span{
    display: block;
    padding-top: 6px;
    font-size: 24px;
}
.head h1{
    padding: 80px 0;
    font-weight: 300;
}
.main{
    padding-top: 20px;
}
.jia{
    width: 100%;
    padding: 20px 0;
}
#s{
    vertical-align: middle;
}
#n,#a,#s,#btn{
    width: 24%;
    padding: 10px 0 10px 10px;
}
#p{
    border: 1px solid #dddddd;
    border-left: none;
    border-right:none ;
    padding: 10px 0;
    margin-top: 25px;
}
li{
    list-style: none;
    border-bottom: 1px solid #dddddd;
    padding: 10px 0;
}
.list li span,#p span{
    display: inline-block;
    width: 33.333%;
}
.table{
    padding-top: 20px;
}
#btn{
    margin-left: 36px;
}


